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Designed without close-fitting sliding parts in the water passages
this unit offers the flexibility required for various refrigeration cycles
"Low Flow" fault codes on the control panel despite pump operation
and PFG boilers
Emerson Alco 054390 Power Assembly 321702-401 Designed without close-fitting sliding partsThe Emerson Alco 054390, also identified as the XB 1019HC2B power assembly, is a critical replacement component for high capacity thermostatic expansion valves. Designed specifically for R22 refrigerant systems, this power element features a 1 4" SAE flare equalizer connection, ensuring accurate superheat sensing and reliable refrigerant metering across varying load conditions. Operating within an application temperature range of 20F to +50F, this